292 results about "Round bar" patented technology

The utility model discloses an airing drying device for processing tea leaves relates to airing drying technical field, including base, the outer top surface of base is rotatoryly installed with round bar, the outer peripheral side wall of round bar is equal interval from top to bottom and is equipped with a plurality of sliding blocks, the left and right ends of a plurality of sliding blocks are equipped with the support, the outer top surface of a plurality of support all is equipped with airing net frame, the left and right ends of a plurality of sliding blocks all are provided with the adjusting assembly for driving airing net frame and carry out angle horizontal rotation, the outer top surface of a plurality of airing net frame all is provided with the turning over subassembly for turning over tea leaf. The utility model discloses through the cooperation of the straight board, round hole no.

The utility model relates to the technical field of rough rolling mill, and disclose a rough rolling mill, include: base, heating mechanism, rough rolling mechanism and finishing mechanism, heating mechanism, rough rolling mechanism, finishing mechanism are assembled in the upper end of base respectively, the top of base is assembled with cooling roll, the outside of cooling roll is evenly provided with water outlet groove, the front of cooling roll is assembled with servo motor, and the other end of cooling roll is inserted with the short pipe, the outside of short pipe and servo motor is all bushed with bearing, and the ground of bearing is connected with base through pedestal. The rough rolling mill, the outside of big specification round bar is evenly sprayed water source, thereby realizes the even cooling to big specification round bar, reduces the outside temperature difference of big specification round bar, thereby improves the processing effect to big specification round bar, and simultaneously through the water storage module of adding, the water source produced by the device cooling big specification round bar is recycled, and then realizes the recycling of cooling water, reduces the waste of water resources.

The utility model discloses an adjustable tea leaf processing stem sorting machine, it includes: stem sorting machine body, the left and right two ends of stem sorting machine body are provided with step -type material guide plate, feed pipe, the left end fixedly connected with iron discharge nozzle of step -type material guide plate, the front and back two surfaces of stem sorting machine body are provided with round bar, vibration motor, the left end of stem sorting machine body is provided with reinforcing component, and the lower surface of reinforcing component and iron discharge nozzle is contacted, and the right end fixedly connected with two left and right opposite mounting brackets of stem sorting machine body, the upper end fixedly connected with automatic telescopic link of mounting bracket, and the output of two automatic telescopic links is fixedly connected with no. The opposite side of no. One mounting plate and no. Two mounting plates is all fixedly connected with the crash strip of one mounting plate. Through above -mentioned structure, improve the convenience of adjusting tea leaf feed path overall angle, improve the dispersion effect in the stem sorting process of tea leaf, improve stem sorting efficiency.

The utility model provides a spraying equipment for housing external wall thermal insulation layer construction relates to building engineering field, the utility model discloses a screw conveyor, the utility model discloses a stirring device is set to when the thermal insulation layer construction of housing external wall, will pour the thermal insulation material into the feed hopper, then starts the drive motor on screw conveyor and drives the screw conveying rod in the inside to convey the thermal insulation material in the feed hopper to the spray pipe, then is sprayed on the external wall of house by the spray gun, makes it form the thermal insulation layer, when the thermal insulation material is placed in the feed hopper, can start servo motor and drive the round bar rotation on the support, then cooperate with the auxiliary mechanism and drive a plurality of recessed blocks and the ball in the feed hopper happen circular motion's while, and back and forth movement knock in the inner wall of feed hopper, make the feed hopper vibrate, effectively avoid the thermal insulation material in the feed hopper and stratification and stratification, guarantee the uniformity of thermal insulation material, help to promote the construction quality and construction efficiency of external wall thermal insulation layer.

The utility model relates to glass transfer vehicle technical field, concretely is a kind of improved optical film-coated glass transfer vehicle, including frame, transverse plate and crossbar subassembly, transverse plate is fixed in the both sides of frame, transverse plate surface is equipped with multiple obliquely arranged sliding slot, crossbar subassembly includes round bar, spring and limit slide block, round bar both ends are inserted into sliding slot, round bar both ends are connected with sliding slot sliding by bearing, the bottom of frame is fixedly installed with multiple bottom support rods, bottom support rod surface is equipped with bottom buffer cotton, bottom buffer cotton upper surface is equipped with locating recess, the utility model is inserted into the upper end wide mouth position of crossbar by crossbar subassembly and oblique sliding slot, enlarge top insertion space and reduce operator alignment difficulty, crossbar surface rubber buffer layer can rotate along with glass sliding direction in insertion process, avoid film and metal component direct contact abrasion, reduce scratch, collision risk in the insertion and transportation process of glass.

This utility model relates to the field of metal processing technology, specifically a treatment device for improving the thermal performance of the sawn end of round bars. It includes a support plate, with a circular plate fixedly connected to the top of the support plate. The circular plate has a through-hole and an arc-shaped groove. The support plate and the circular plate are arranged in two sets, with a cylinder fixedly connected between the two circular plates. A treatment component is disposed inside the cylinder, including a hollowed-out cylinder disposed within the cylinder. A driving component is disposed outside the hollowed-out cylinder, and the driving component is arranged in two sets, opposite to each other. Two first sun gears are fixedly connected to both ends of the hollowed-out cylinder. Each driving component includes a first sun gear rotatably connected within the circular plate, with three first planetary gears meshing on the outer side of the first sun gear. All three first planetary gears are rotatably connected within the circular plate. This treatment device for improving the thermal performance of the sawn end of round bars can uniformly cool the bar and prevent cracking.

The utility model is suitable for spraying technical field provides a kind of multi-station spraying device for workpiece spraying, including support, a pair of rotary members are symmetrically arranged in support, rotary member includes carousel and link disc, carousel is driven by the driving element outside the setting of support, multiple strip holes are arrayed and opened on two link discs, round bar is slidably arranged in strip hole, one link disc is installed with clamping assembly on the round bar, cylinder is installed on the round bar of another link disc, the extension end of cylinder is installed with centre, adjusting assembly that drives multiple round bars synchronous to the direction of the center of link disc movement is further provided in link disc, round bar is slidably driven in strip hole by adjusting assembly, the spacing between multiple clamping assemblies and multiple centre can be automatically adjusted, the clamping requirement of different specifications workpieces is adapted, clamping assembly does not need to be manually disassembled and replaced, the spraying change type efficiency of multiple specifications workpieces is significantly improved, and the equipment downtime loss caused by manual operation is avoided.

The utility model provides a kind of detachable lithium battery module installation support, including installation bottom plate and installation top plate, further include: cover plate structure, the cover plate structure is set in the top of installation top plate;Connecting structure, the connecting structure is set on installation bottom plate. By limiting block, it is convenient to better avoid the movement of abutting frame, so that the fixation of lithium battery module is better avoided to loosen, by pinching the two clamping frames above the lithium battery module that needs to be disassembled, drive clamping block to leave clamping groove, rotate clamping frame, drive rotating block to rotate, so that abutting frame is retracted into sliding square groove, it is convenient to better carry out the separate disassembly of lithium battery module, and the stability of other lithium battery module installation cannot be affected, by removing fixed nut from connecting round bar, pull up installation top plate, drive multiple abutting frames to be removed from lithium battery module, it is convenient to make the disassembly of entire lithium battery group more convenient.

The utility model relates to the technical field of laser cutting machines, in particular to a material supporting structure and a roller laser cutting machine, a cross-shaped sliding frame is connected in a rectangular mounting box in a sliding mode, two rotating seats are connected in the rectangular mounting box in a rotating mode, and two arc-shaped connecting rods are connected in the cross-shaped sliding frame in a rotating mode. The three rubber rotating wheels are rotationally connected into the cross-shaped sliding frame and the two rotating seats correspondingly, in the sliding process of the cross-shaped sliding frame, the two arc-shaped connecting rods rotationally connected with the interior of the cross-shaped sliding frame are driven, when the arc-shaped connecting rods rotate, the rotating seats are pulled to rotate with the round rod rotating shafts as the axes, and the roller limiting device can adapt to rollers of different sizes; the rubber rotating wheel is in contact with the surface of the roller, meanwhile, two cross-shaped sliding frames arranged at the two ends of the air cylinder are matched with four rotating bases, the two ends of the rollers of different sizes can be limited, and it is ensured that the rollers are kept stable during laser cutting machining.

The utility model belongs to paperboard production and processing field discloses a paperboard printing and cutting punch device, including rectangular frame, rectangular frame upper end four corners all are fixed with support rod, rectangular frame top is equipped with the platen, and support rod upper end all are fixed with the platen, the platen is located between the platen and rectangular frame, and the platen is fixed with the telescopic pneumatic cylinder that places vertically downward on, and the telescopic pneumatic cylinder output end drive rod is fixed with the platen upper end, the lower die plate is placed on the rectangular frame, and the lower die plate is opened and has the printing groove on, the platen lower end detachable connection has the upper die plate, and the upper die plate lower end surface is fixed with the top sword that is adapted with the printing groove, the first round bar that places vertically is fixed with on rectangular frame any two frame edges upper end, place rectangular paperboard on the lower die plate, make rectangular paperboard two sides respectively with two strip-shaped plates and fit, realize the purpose of being convenient for the accurate positioning placement of rectangular paperboard through two strip-shaped plates that are perpendicular to each other.

The utility model relates to the technical field of shock resistance flexible connecting structure, especially a photovoltaic panel multi -item connection's shock resistance flexible connecting structure, including concave board and cross board, two the inside of concave board respectively with the left and right sides of cross board fixedly connected, the top of concave board is connected with fixed structure, the inner wall of concave board is connected with support structure, the outer wall of cross board multiple round mouth respectively fixedly connected with a plurality of cylinder, the outer wall top plate outer wall and the outer wall of round bar slide link, further in the rotation of screw rod will take top plate and slide down the outer wall of round bar, make the second protective pad of top plate bottom and the top of photovoltaic panel abut, make the nut on the handle subsequently, make the nut installation handle's curved track move down, the nut rotates down through the outer wall of screw rod subsequently, make the bottom of nut and the top of top plate abut, further reinforce top plate, guarantee the shock resistance flexible connecting structure installation stability, avoid the abrasion of photovoltaic panel surface.

The utility model discloses a kind of building safety construction platforms, including pedestal box, the inner wall of pedestal box is fixedly connected with square baffle, the outer surface of square baffle and the upper surface of pedestal box are jointly fixedly embedded with two circular tubes, the inside of each circular tube is rotatably connected with threaded lead screw, the bottom end of each threaded lead screw is fixedly connected with driven gear, the inner bottom wall of pedestal box is fixedly installed with double-shaft motor by rack, the two output ends of double-shaft motor are fixedly connected with transmission round bar.This building safety construction platform is convenient for adjusting the height of inner guardrail according to construction condition, suitable for different height workers for protection, it is convenient to adjust the height of inner guardrail according to actual construction condition, improve the protection range, effectively reach the purpose that construction protection effect is better, prevent worker falling and object falling, greatly reduce the safety risk in construction process, guarantee the life safety of worker.

This invention discloses a method for controlling the uniformity of gear steel microstructure, including hot metal desulfurization and vanadium extraction, semi-steel converter smelting, LF refining, RH refining, and continuous casting processes. The method controls the solidification process of the molten steel in the molten pool during continuous casting, ensuring solidification is completed within a 1 / 4 arc-shaped region of the slab, and implementing a specified cooling and solidification control process. This method effectively improves the macroscopic solute concentration uniformity in all directions of the cross-section of the gear steel continuous casting slab, improves the regional symmetry of the solidified microstructure, and promotes more uniform phase transformation and stress distribution in the gear microstructure during gear processing and subsequent heat treatment. The range of distance between the equiaxed crystal zone boundary and the slab surface is reduced from 30-40 mm to 10-15 mm. After rolling into a round bar, the range of distance between the equiaxed crystal trace zone boundary and the round bar surface is controlled to ≤5 mm, and the range of solute segregation (circumferential) at the same radial distance from the surface of the round bar is ≤0.02. The resulting gear steel grain size stabilizes from grade 6.0-7.0 to grade 7.0.

This invention belongs to the field of non-ferrous metal processing technology, and relates to a TC4-DT titanium alloy bar for aerospace cryogenic fasteners and its preparation method. The method includes the following steps: Step 1, selecting TC4-DT titanium alloy R-state round bar billets that have passed ultrasonic testing and have uniform microstructure under low magnification; Step 2, heating and holding the selected billets in a heating furnace, followed by reversible rolling in two stages with diamond-shaped and elliptical-round hole patterns, and then air cooling; Step 3, performing a centerless turning process to remove the outer layer of the rolled billet; Step 4, subjecting the stripped billet to atmospheric heat treatment; Step 5, straightening the heat-treated billet; Step 6, grinding and polishing the straightened billet to obtain TC4-DT titanium alloy bars for aerospace cryogenic fasteners, meeting the requirements of tensile strength ≥1800MPa and A ≥4% under cryogenic conditions of -253℃, thus satisfying the needs of aerospace cryogenic applications.

The utility model relates to a spraying equipment technical field, concretely is a fire extinguisher cylinder spraying equipment, including box and spraying mechanism, the inside detachable connection of box has the pull -out plate, the top surface of pull -out plate is provided with the rotating mechanism for the fixed fire extinguisher cylinder and drives cylinder rotation equidistance, the rotating mechanism includes the round bar of pull -out plate penetration rotation, the top of round bar is provided with the cavity, the inside of cavity is provided with inner support subassembly. In the utility model, through the cylinder of fire extinguisher is inverted and is buckled on the round bar, and is fixed to the cylinder through the inner support subassembly, makes the outside of cylinder complete exposure, then drives cylinder rotation through the rotation of round bar, makes the outer wall of cylinder can be more even spraying, does not need the part of cylinder missed to spray separately in the later period, to can improve the efficiency of fire extinguisher cylinder spraying.

The utility model belongs to knurling machine technical field especially is a kind of horizontal knurling machine of knurling wheel adjustable, including outer frame, the inside fixed connection of outer frame has two inner frames of symmetrical distribution, and the rotating component is set on two inner frames all.Between the utility model setting knurling wheel subassembly, knurling wheel subassembly includes shaft, driven gear, round bar, sliding block, connecting rod and knurling wheel body, wherein sliding block sliding connection is in corresponding track board, and hydraulic cylinder can drive track board to lift, and track board can make sliding block retract in the process of lifting, simultaneously control shaft rotation, so that driven gear rotates around driving gear under the action of connecting rod, adjust the interval between two knurling wheel bodies, and after interval adjustment, still can keep the meshing relationship between driving gear and driven gear, do not affect the rotary drive of knurling wheel body, solve the problem that present stage device knurling wheel is not adjustable, make device versatility low.

The utility model relates to the technical field of straw mushroom planting, and disclose a kind of adjustable angle picking's straw mushroom planting device, including fixed frame, the side wall of fixed frame is rotatably installed with mounting post, the end of mounting post is fixedly installed with planting frame, and the side of fixed frame is provided with deflection component.The adjustable angle picking's straw mushroom planting device is provided with deflection component, driven by the transmission of driving motor, cooperates with the driving of driven wheel by round bar, so that the planting frame of fixed frame side is inclined, and the abutment column rotates in the inside of annular groove, after adjusting angle is completed, at this time, start electric push rod, cooperate with the movement of rotating block, so that connecting rod promotes cross bar and drives abutment column to move away from mounting post side, until abutment column enters the inside of arc-shaped groove, to provide connecting support force for the both ends of planting frame, ensure the stability of planting frame in planting and picking process, improve the use effect of equipment in straw mushroom planting process.

The application relates to a transformer pouring air duct rod group structure and a mounting method, which comprises an air duct rod group and a flexible clamp, wherein the air duct rod group comprises a plurality of round rods arranged in a line and wrapped by a film, the round rods are internally provided with reinforcing metal wires, and the outer side of the film is coated with oil; the air duct rod group is provided with the flexible clamp at the end, and the flexible clamp comprises hollow sections, spherical balls, metal ropes and locking assemblies, the hollow sections and the spherical balls are alternately arranged and connected in series through the metal ropes, the metal ropes are respectively fixed on the locking assemblies on the corresponding sides, and the locking assemblies on the same side of the two flexible clamps are connected through a connecting assembly. The air duct rod group with different lengths and radii can be formed according to the needs, the service life of the round rods in the air duct rod group is improved, the problem that resin sharp ends appear on the inner walls of long holes of the air duct is avoided, and the air duct rod group can be fixed firmly during installation.

The utility model relates to the field of moisturizing breeding technology, and disclose a kind of special moisturizing breeding box of black-spotted frog tadpole, solve the current special moisturizing breeding box of black-spotted frog tadpole cannot guarantee that every tadpole epidermis is humid, easily affect tadpole growth state Problem, it includes box, the wastewater collection box is connected in the box inside one side, the water guide hole is established in the bottom end of the box inside, the wastewater collection box is located below water guide hole, the fixed hole is established in the box upper end one side, the utility model is set through the setting of moisturizing component, by water pump delivery water flow to spray cover, by spray cover spray small water mist, pull up rotating sleeve upwards, rotate rotating sleeve, under the setting of slider and sliding slot, rotating sleeve rotation does not affect the rotation of support plate, rotating sleeve rotation drives round bar rotation, round bar drives spray cover all-around spray water mist, ensure that every tadpole skin contacts water mist, avoid tadpole epidermis dry, affect growth state.

The utility model relates to the technical field of safety protector, and disclose a kind of safety protector of being convenient for installation, including safety protector body, the inner wall of safety protector body is equipped with sliding slot, the bottom of the inner wall of sliding slot is equipped with limit slot, the inner wall of sliding slot is slidably connected with clamping plate, and the bottom of clamping plate is fixedly equipped with round bar. When the safety protector body is connected with sliding rail, the side of clamping plate is pushed down to the inner wall of sliding slot by sliding rail, and then the clamping plate is pushed up by spring, the top of auxiliary clamping plate is limited with the inner wall of sliding rail, and then the safety protector body is quickly installed, and the flat screwdriver bit is connected with the inner wall of slot, the pull block is pulled down, the outer edge of the limit plate is driven to pass through the inner wall of limit slot by pull rod using pull block, then the pull block is rotated, so that the top of auxiliary limit plate is limited with the bottom of safety protector body, and then the clamping plate and sliding rail are stably separated, and the safety protector body is quickly disassembled.

The utility model discloses a kind of automatic heating devices of different-diameter round bar end, it belongs to bar automatic heating field, including automatic turnover machine, automatic turnover machine side is equipped with ladder feeder, ladder feeder upper end is equipped with chain conveyor, chain conveyor tail end is equipped with positioning baffle to limit bar movement, chain conveyor tail end side is equipped with bar diameter detection sensor, chain conveyor side is equipped with automatic pusher, automatic pusher includes multiple positioning V-shaped groove, each positioning V-shaped groove one end is equipped with pusher mechanism, another end of each positioning V-shaped groove is equipped with induction heating device;First manipulator is equipped above automatic pusher, first manipulator can realize translational and lifting action, first manipulator lower end is equipped with rotary cylinder, rotary cylinder bottom is equipped with first bar hand claw;Discharge sorting device is equipped behind induction heating device.The above structure can realize the automatic end heating production of different-diameter bar, and can greatly improve production efficiency.

This utility model relates to the technical field of mold lever lifting mechanisms, specifically to a robotic mold lever lifting mechanism, comprising a frame, with one or more mounting plates on the top of the frame. Each mounting plate has a three-axis cylinder on its side away from the frame. The telescopic ends of multiple three-axis cylinders are connected to a support block. A hollow square tube is provided at the top of the frame, and a slider is provided on the side of the hollow square tube near the mounting plate. A smooth round rod slides within the slider, and the smooth round rod cooperates with the support block to guide and support the lifting and lowering of the support block. This utility model utilizes the three-axis cylinders at the top of the frame to drive the lifting and lowering of the support block. The support block is positioned on the side of the hollow square tube near the frame to avoid the central axis. Simultaneously, the smooth round rod slides within the slider, guiding and supporting the lifting and lowering of the support block, ensuring stable lifting and lowering of the support block in a confined space, thereby raising the mold lever for easy gripping by the robotic arm.

The utility model relates to the field of steel structure house construction discloses a kind of supporting device for steel structure house construction, including stand, the inside fixed connection of stand has round bar, the four corners of stand bottom end are all provided with support assembly, support column is supported by support assembly, the top end fixed connection of stand has metal pipe, the inside sliding connection of metal pipe has slide bar, the top end fixed connection of slide bar has support plate, the top side fixed connection of support plate has rubber pad, the outer wall of metal pipe is provided with positioning assembly, the height of slide bar is fixed by positioning assembly.The utility model in the middle, by increasing the support structure that can be folded to improve the stability of supporting device, prevent device to dump, and facilitate staff to move supporting device, and make supporting device can support different height steel structure, improve the versatility of supporting device.

The utility model discloses a high strength keyboard key shell in the key shell field, including the key cap, the bottom of key cap is provided with the installation cavity that opens outward, the surface of key cap is bonded with rubber pad, the inside of installation cavity is provided with the positioning round bar that is perpendicular with the inner wall of key cap, the side of positioning round bar is provided with a plurality of connecting plates, and the adjacent connecting plate is all symmetrically set, the inside of installation cavity is provided with the square frame that is perpendicular with the inner wall of key cap, the square frame and adjacent connecting plate between form the structure that presents triangle shape, the utility model discloses a high strength keyboard key shell, sets up the installation cavity that opens outward in the bottom of key cap, and sets up positioning round bar and square frame in the inside of installation cavity, forms the triangle structure through connecting plate, and the structural strength and stability of key shell are enhanced significantly, and the touch and antiskid performance of key are improved through bonding rubber pad on the surface of key cap.

The utility model provides a kind of positioning pay-off device for construction, it is related to positioning pay-off technical field, the utility model includes support and adjusting assembly, the upper end of support is equipped with total station, the side of support is equipped with stabilizing device by adjusting assembly, the stability of support is improved by stabilizing device through stabilizing plate, the stabilizing device includes placing plate, round bar, stabilizing plate, first bolt and fixed block, the placing block is arranged in support side, the round bar rotates inside placing plate, to drive stabilizing plate to rotate, the fixed block is arranged in round bar side, and several thread grooves are opened in cambered surface, the utility model can improve the stability of support on ground by setting stabilizing device, avoid the situation that support is easily stressed and shaken when using support on uneven ground, then influence total station use effect occurs, so as to improve the use effect of positioning pay-off device.

The utility model discloses a building site is with reinforcing bar bending machine relates to reinforcing bar processing technical field, including table, the vertical fixed for with reinforcing bar bending place contact round bar on the table, install the clamping block subassembly for to the reinforcing bar one end is carried out clamping or release on the table, the sliding block subassembly for reinforcing bar other end sliding insertion is slidably connected on the table, the clamping block subassembly with sliding block subassembly between sliding connection is used for to the reinforcing bar is bent and is bent axle, the table bottom surface is installed with drive assembly, drive assembly with bent axle transmission connection. The utility model can prevent the reinforcing bar from falling off in the bending process, and then improve work efficiency and security.

The utility model relates to receiving device technical field, concretely is frequency conversion receiving device. The utility model discloses receiving device main part, the surface of receiving device main part is equipped with the chute, the surface of receiving device main part is equipped with switch device, the switch device includes round bar, the inner wall fixed connection of receiving device main part chute with round bar, the arc surface of round bar is connected with the rotation block of rotation, the surface fixed connection of rotation block has control panel, the inner wall sliding connection of receiving device main part fixed groove has special -shaped block, the surface of special -shaped block is equipped with the clamping groove. The receiving device main part is basically fixed with screw, and the operation is complicated, the traditional receiving device main part maintenance mode is more troublesome, needs to spend a lot of time and manpower, and long -time use also can lead to the silk of sliding, the loose condition, thereby the staff cannot quickly maintain, leads to the problem that the receiving device main part cannot use.

The utility model discloses a device for detecting rubidium and cesium content by atomic absorption spectrometry, be applied to atomic absorption spectrometer body, the atomic absorption spectrometer body includes the placement platform of bottom arrangement in, the placement platform top is provided with the material receiving container, the back fixedly connected of placement platform top surface has the vertical board, the front surface top of vertical board is provided with drive mechanism, the bottom of drive mechanism is provided with the round bar, the bottom middle part of round bar is provided with the adjusting mechanism, the bottom symmetry of adjusting mechanism is provided with the limit mechanism, drive mechanism includes the top plate and electro -hydraulic push rod, the top plate sets up in the top of vertical board front surface, the bottom of top plate is provided with electro -hydraulic push rod, through setting up drive mechanism, adjusting mechanism and limit mechanism and so on multiple structures mutually assist cooperation, and the structure of guiding adjustment is arranged around the suction tube, and the depth of the suction tube insertion in the material receiving container can be adjusted through mechanical structure cooperation, and the practicality is improved.

The utility model relates to the technical field of packer for petroleum, especially a packer for petroleum, including packer and screw thread, the outer wall front of packer is processed with screw thread, the outer wall of screw thread is connected with support structure, the left and right sides of packer are respectively fixed with straight board, the upper and lower sides back of packer are respectively processed with round mouth, the outer wall back of packer is inserted with straight cylinder, make sleeve in the outer wall of screw thread rotate back in support structure, the sleeve of rotation drives round bar to move back, thereby make the slanting pole rotate outward, the lateral support of rotating slanting pole makes the horizontal plate in the outer wall of straight board rotate outward, makes the lateral end of horizontal plate and well wall and tightly, completes the support to packer, can guarantee the stability of packer when oil production, eliminates the unstable factor in the use of packer for petroleum, ensures the normal use of packer for petroleum.

The utility model discloses an assembly type building roof photovoltaic integrated structure, including T type channel steel and soft plastic sheet, one side of T type channel steel is connected with round bar fixed connection through connecting ring piece, and a plurality of gyro wheel are installed in the rolling of T type channel steel, the axle rod middle part of gyro wheel is installed with cylinder block, and cylinder block one end is installed with U type board, a plurality of bearing frames are equipped between two T type channel steels, and photovoltaic board is installed in bearing frame. The utility model has the beneficial effect that: have the function of push -and -pull mobile installation photovoltaic board, improved the convenience of photovoltaic board installation, be favorable to the photovoltaic board horizontal laying and fix, when fixing a photovoltaic board, through U type board and gyro wheel connection and gyro wheel rolling installation in T type channel steel, it is convenient to move the photovoltaic board fixed to the inboard, be favorable to the installation and fixed of next photovoltaic board, increase the protection structure to photovoltaic board, through the rotation of tight flower basket bolt, be favorable to the rectangle board closely and lean on the wall.